1098736 has 20 divisors (see below), whose sum is σ = 2179672. Its totient is φ = 536256.

The previous prime is 1098731. The next prime is 1098737. The reversal of 1098736 is 6378901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111 + ... + 1486.

2^1098736 is an apocalyptic number.

1098736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1098736 is a deficient number, since it is larger than the sum of its proper divisors (1080936).

1098736 is a wasteful number, since it uses less digits than its factorization.

1098736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1098736 is about 1048.2060866070. The cubic root of 1098736 is about 103.1884569346.

The spelling of 1098736 in words is "one million, ninety-eight thousand, seven hundred thirty-six".